Visali API

WhatsApp-first backend for visa B2 assistance platform

Endpoints

• /api/health - System health check
• POST /api/whatsapp/webhook - Kapso WhatsApp webhook
• POST /api/whatsapp/send-greeting - Send greeting message
• POST /api/payments/create-checkout - Create Stripe checkout
• POST /api/payments/stripe/webhook - Stripe webhook

Architecture

• WhatsApp: Kapso WhatsApp Cloud API
• Database: Railway PostgreSQL (Knex.js)
• Payments: Stripe
• Auth: JWT + bcryptjs + 4-tier RBAC